<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<meta name='viewport' content='width=device-width, initial-scale=1.0'>
<title>04v-bind</title>
</head>
<body>

  <div id='app'>
    <label for="meinv1">美女1</label>
    <input type="radio" id="meinv1" v-model="chose" value="1">
    <label for="meinv2">美女2</label>
    <input type="radio" id="meinv2" v-model="chose" value="2">
    <hr>
    <img :src="chose==1?imgSrc:imgSrc2" width="500" alt="">

    <hr>
    <div :aaa="aa">{{aa}}</div>
  </div>

<script src='https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.js'></script>
<script>
  const app = new Vue({
    el: '#app'
    ,data:{
      msg: 'Hello Vue'
      ,chose: '2'
      ,imgSrc: "https://img.tupianzj.com/uploads/allimg/201125/30-2011251635450-L.jpg"
      ,imgSrc2: "https://img.tupianzj.com/uploads/201204/37-201204114A1B5.jpg"
      ,aa: "12345"
    }
  })
</script>
</body>
</html>